HashiCorp Vault May Expose Tokens to Auth Plugins Due to Incorrect Header Sanitization
If a Vault auth mount is configured to pass through the "Authorization" header, and the "Authorization" header is used to authenticate to Vault, Vault forwarded the Vault token to the auth plugin backend. Fixed in 2.0.0, 1.21.5, 1.20.10, and 1.19.16.
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beschreibt (1)
Zugehörige CVEs.
| ID | Schweregrad | ausnutzbar | ||
|---|---|---|---|---|
| CVE-2026-4525US | high8.8 | — | ||
If a Vault auth mount is configured to pass through the "Authorization" header, and the "Authorization" header is used to authenticate to Vault, Vault forwarded the Vault token to… | ||||
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Referenzen
Externe Belege — Patches, Meldungen, Analysen.
- https://access.redhat.com/security/cve/CVE-2026-4525WEB
- https://bugzilla.redhat.com/show_bug.cgi?id=2459107WEB
- https://discuss.hashicorp.com/t/hcsec-2026-07-vault-may-expose-tokens-to-auth-plugins-due-to-incorrect-header-sanitization/77344WEB
- https://github.com/advisories/GHSA-72gw-fmmr-c4r4ADVISORY
- https://github.com/hashicorp/vaultPACKAGE
- https://nvd.nist.gov/vuln/detail/CVE-2026-4525ADVISORY
- https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-4525.jsonWEB
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